v0.1.13-rc0

What's Changed

• [TEST] Relax test_shared_dag_hash_scaling_not_exponential ratio to 4x by @tqchen in #612
• chore(release): Version bump after release v0.1.12 by @MasterJH5574 in #617
• [FEAT] Add structural visitor and typed structural walk APIs by @Kathryn-cat in #601
• Robustify FromJSONGraph by @tqchen in #619
• [REFACTOR][STUBGEN] refactor the stubgen logic. by @Seven-Streams in #608
• Adopt AGENTS.md for agent guidance by @tqchen in #620
• [DOCS] Document Python FFI conversion protocols by @tqchen in #622
• [CI] Update astral-sh/setup-uv to allowed ref v8.2.0 by @cyx-6 in #624
• [DOCS] Clarify CStrParts error handling usage by @tqchen in #625
• [CI] Bump pinned GitHub Action hashes by @tqchen in #626
• [BUILD] Hide symbols from linked static libraries by @tqchen in #627
• [CMake] Format static symbol helper condition by @tqchen in #628
• Avoid unused type_index local in structural visit by @tqchen in #629
• [FIX] Avoid -Wassume error in structural visit VisitImpl by @cyx-6 in #632
• [CI] Update Jimver/cuda-toolkit to allowed ref v0.2.35 by @cyx-6 in #631
• [CI] Phase out Python 3.8 wheel builds by @tqchen in #633
• [CI] Ignore existing DLLs in Windows wheel repair by @tqchen in #635
• [OBJECT] Optimize dynamic RuntimeTypeIndex loads by @tqchen in #634
• [OBJECT] Make object info macro compatible with CRTP by @tqchen in #636
• [CORE] Invert object/type_traits dependency layering by @tqchen in #638
• [API] Add type index query mode by @tqchen in #640
• [FFI] Add ref-qualified strict ObjectRef casts by @tqchen in #639
• [PY] Distinguish FFI input and output annotations by @Ubospica in #621
• [PY] Support pickling FFI String and Bytes by @Ubospica in #643
• [FFI] Make StructuralEqual functor compare tensor content by @pisarev in #646
• [CORE] Add type subsumption and object-ref containment relations by @tqchen in #647
• Include torch build/ABI in torch C-DLPack addon cache key by @tugot17 in #644
• [FEAT][RUST]Add tvm_ffi::Map in Rust by @Seven-Streams in #623
• [FIX] Make object construction exception-safe by @tqchen in #650
• [FEAT][RUST]Add tvm_ffi::optional in Rust by @Seven-Streams in #630
• [FIX] Resolve JIT GPU backend by explicit signals, not stray /opt/rocm by @tqchen in #652
• [TEST] Run the Python test suite in parallel with a shared GPU lock by @tqchen in #654
• [FIX] Mark ObjectRef throw-only paths unreachable by @tqchen in #656
• [FFI] Back Optional and Variant by TVMFFIAny for a stable ABI layout by @tqchen in #657
• [ORCJIT] Reinject contexts on first function lookup by @tqchen in #655
• [ORCJIT] Add shared session and high-level load_module by @cyx-6 in #658
• [ORCJIT] Embed liborc_rt into the extension and add orc_rt selector by @cyx-6 in #660
• build(python)!: require CMake 3.26 for ABI-aware builds by @junrushao in #661
• refactor(dataclasses)!: separate field resolution and native lifetimes by @junrushao in #663
• refactor(enum)!: unify native enum state and singleton conversion by @junrushao in #664
• feat(core): support ObjectPtr in FFI type traits by @junrushao in #665
• feat(dtype): expand parsing and introspection by @junrushao in #668
• ci(lint): run hooks through the uv development environment by @junrushao in #669
• feat(abi): generate layout-compatible C++ object declarations by @junrushao in #670
• [FEAT][Python] Tie Python wrapper lifetime to underlying C++ FFI object by @cyx-6 in #593
• fix(device): require canonical Python device names by @tqchen in #671
• fix(packaging): tag core wheels per-version instead of abi3 by @cyx-6 in #672
• [FEAT] Add Expected specialization by @Kathryn-cat in #673
• fix(reflection): require exact field and method name matches by @Kathryn-cat in #674

New Contributors

• @Seven-Streams made their first contribution in #608
• @pisarev made their first contribution in #646
• @tugot17 made their first contribution in #644

Full Changelog: v0.1.12...v0.1.13-rc0

v0.1.12

What's Changed

• chore(doc): Temp workaround missing pytorch docs by @junrushao in #577
• fix(dataclass): collect py_class fields from plain bases by @junrushao in #575
• chore(release): Version bump after release v0.1.11 by @yongwww in #579
• Update ML infrastructure section with XGrammar link by @Ubospica in #581
• [FEAT][REFLECTION] Add tvm::ffi::reflection::overload_cast to pick overloaded function by @tqchen in #582
• [FEAT] Split SEqHashDef into recursive and non-recursive variants by @tqchen in #583
• [REFACTOR][OrcJIT] Per-session slab-pool memory manager by @cyx-6 in #574
• [BugFix][ROCm] Prefer upstream PyTorch DLPack API in torch extension loader by @zihaomu in #585
• [Minor] log ninja result by @DarkSharpness in #584
• [BUILD] TVM_FFI_COLD_CODE / TVM_FFI_PREDICT_FALSE macros and cold-marking of error paths by @tqchen in #589
• [FIX][RUST] use $crate:: in tvm_ffi_dll_export_typed_func! and ensure! by @lucifer1004 in #590
• [EXTRA][FEAT] VisitErrorContext for visit-context-aware error reporting by @tqchen in #587
• [FEAT][FFI] Add ostream operator<< for Any/ObjectRef/Variant/Optional by @tqchen in #596
• [FEAT] Optimize Expected for minimal compiled code and efficiency by @tqchen in #599
• [FEAT] Streamline AccessPath/AccessStep print format by @tqchen in #598
• [CI] Use uv tool run for sdist build instead of pipx by @tqchen in #600
• [CORE] Make AnyView trivially copyable — match C-ABI struct passing by @tqchen in #602
• feat(python): add tensor methods to align with C++ APIs by @kainzhong in #604
• [FIX] Drop test_empty_tensor_attributes (numpy dlpack stride change) by @tqchen in #607

New Contributors

• @zihaomu made their first contribution in #585
• @kainzhong made their first contribution in #604

Full Changelog: v0.1.11...v0.1.12

v0.1.11

What's Changed

• [FEAT] Recursive DLPack container conversion for auto torch.Tensor return by @Kathryn-cat in #517
• [fix] Move container stream scanning from Cython to C++ for efficiency by @Kathryn-cat in #521
• chore(release): Version bump after release v0.1.10 by @junrushao in #522
• build(deps): replace cmake version exclusion with uv exclude-newer by @junrushao in #524
• Revert "build(deps): replace cmake version exclusion with uv exclude-newer" by @junrushao in #525
• build(deps): replace cmake version exclusion with uv exclude-newer by @junrushao in #526
• fix(cython): Segfault in free-threaded Py_DecRef Cleanup by @junrushao in #529
• feat(c_class): warn when reflected fields lack Python type annotations by @junrushao in #531
• fix(py_class): support super().__init__() in init=False subclasses by @junrushao in #532
• fix(py_class): propagate parent total_size through empty intermediate classes by @junrushao in #539
• fix(py_class): support tvm_ffi.dtype and tvm_ffi.Device as field type annotations by @junrushao in #540
• refactor(dataclass): consolidate dunder method installation into _dunder.py by @junrushao in #541
• fix(c_class): restore __init__ installation from __ffi_init__ TypeAttrColumn by @junrushao in #543
• feat(py_class): support frozen=True for immutable instances by @junrushao in #542
• feat(container): add structural __eq__/__ne__/__hash__ to Array, List, Map, Dict by @junrushao in #545
• fix(init): register ffi_init as TypeMethod and use MISSING sentinel by @junrushao in #546
• perf(container): use iterator lookup instead of exception handling in Map/Dict by @junrushao in #548
• feat(dataclass): emit ffi_init stubs, harden field registration, and support Python 3.14 by @junrushao in #549
• feat(string): add String::Split, EscapedStringPy, and rename EscapeString by @junrushao in #550
• fix(py_class): remove ffi_init_inplace to fix memory leak by @junrushao in #551
• feat(dataclass): Introduce more utility methods in tvm_ffi.dataclasses.* by @junrushao in #555
• feat(dataclass): add asdict, astuple, and match_args support by @junrushao in #556
• feat(core): Introduce Attribute-Carrying Language-Agnostic Enums by @junrushao in #554
• fix(enum): add class iteration and len by @junrushao in #558
• fix(dataclass): resolve cross-module forward refs by @junrushao in #559
• [FEAT] Enhance map_dataclass_to_tuple with JIT unpack_dataclass_to_tuple by @tqchen in #563
• fix(dataclass): distinguish containers from dataclasses by @junrushao in #557
• fix(container): align sequence equality and contains by @junrushao in #560
• refactor(enum)!: hide identity fields, add IntEnum/StrEnum, consolidate accessors by @junrushao in #564
• doc: clarify structural_eq semantics and py_class eq/hash interaction by @yaoyaoding in #566
• feat: Added typed method registration for py_class by @Kathryn-cat in #567
• feat(enum): add payload enum compatibility behavior by @junrushao in #568
• [REFACTOR] Optimized Python callback path via TVMFFIPyCallbackArgSetter by @tqchen in #569
• [REFACTOR] libinfo: add extra_lib_paths parameter for foreign-caller support by @tqchen in #570
• [FIX] Handle kTVMFFIRawStr / kTVMFFIByteArrayPtr in callback args path by @tqchen in #573
• [OrcJIT] Arena JITLinkMemoryManager with GOTPCRELX fix (Linux) by @cyx-6 in #527

Full Changelog: v0.1.10...v0.1.11

v0.1.10

What's Changed

• chore(release): Add GPG Key from Yong Wu by @yongwww in #474
• [FIX] Prevent integer overflow in GetDataSize on 32-bit platforms by @gnguralnick in #475
• refactor(dataclasses)!: remove Python-side field descriptor infrastructure by @junrushao in #478
• feat: add cuLaunchKernelEx support by @lucifer1004 in #476
• chore(release): Version bump after release v0.1.9 by @yongwww in #481
• feat(python)!: enforce slots=() for Object subclasses via _ObjectSlotsMeta by @junrushao in #480
• refactor!: consolidate repr_print/deep_copy into dataclass.cc with recursive hash/compare APIs by @junrushao in #482
• feat(python): expose recursive compare to Python with comprehensive tests by @junrushao in #484
• test(python): add comprehensive RecursiveHash test suite by @junrushao in #485
• [FEAT] Add CMake namespace aliases for source dependency builds by @ctuu in #479
• feat(python): wire C++ auto-generated ffi_init to Python init by @junrushao in #486
• feat(python): reimplement c_class as register_object + structural dunders by @junrushao in #488
• [FEAT] Skip imports in config mode by @tqchen in #489
• [FIX] Fix the config loading in windows case by @tqchen in #490
• feat(python): wire init from C++ reflection in register_object and stubgen by @junrushao in #491
• test(python): add regression test for register_object init wiring by @junrushao in #493
• doc: add dataclass reflection guide and update related docs by @junrushao in #494
• [FIX] Fix 3 deny-level clippy lints in Rust bindings by @Aphoh in #496
• fix(python): remove broken instancecheck/subclasscheck from _ObjectSlotsMeta by @junrushao in #498
• feat(c_api)!: extend TVMFFIFieldInfo setter to support FunctionObj dispatch by @junrushao in #500
• feat(ffi)!: centralize object creation with CreateEmptyObject/HasCreator by @junrushao in #501
• feat(cython): expose additional C API symbols in base.pxi by @junrushao in #502
• feat(ffi)!: add ffi_convert type attribute and Python-defined type support by @junrushao in #503
• feat(cython): add TypeSchema type conversion with function-pointer dispatch by @junrushao in #504
• feat(python): add field registration, _register_py_class, and Field descriptor by @junrushao in #505
• feat(python): add @py_class decorator for Python-defined FFI dataclasses by @junrushao in #506
• feat(python): add structural equality/hashing support to py_class and field by @junrushao in #507
• feat(python): auto-register _ffi* dunder methods in @py_class as TypeMethod by @junrushao in #508
• refactor(python)!: rename structure= to structural_eq= by @junrushao in #509
• fix(build): resolve type ambiguity and macro redefinition in unity builds by @junrushao in #512
• [FEAT] Add map_dataclass_to_tuple to make_kwargs_wrapper by @tqchen in #515
• [OrcJIT] Add LLVM ORC JIT v2 dynamic object loader addon by @yaoyaoding in #254
• fix(ci): pin pypa/gh-action-pypi-publish to SHA for Apache allowlist by @junrushao in #518
• [FFI][Reflection] Lazily resolve KWARGS sentinel in auto-init by @akaashrp in #519

New Contributors

• @yongwww made their first contribution in #474
• @gnguralnick made their first contribution in #475
• @lucifer1004 made their first contribution in #476
• @ctuu made their first contribution in #479
• @Aphoh made their first contribution in #496
• @akaashrp made their first contribution in #519

Full Changelog: v0.1.9...v0.1.10

v0.1.9

What's Changed

• chore(release): Version bump after release v0.1.8 by @junrushao in #404
• fix: add unified_api.h include to device_guard.h by @cyx-6 in #405
• Revert "feat: Add tvm_ffi.Function.__init__" by @junrushao in #406
• [CUDA] Isolate unified api to only in cubin launcher by @tqchen in #408
• [FIX] Fix the error propagation in the case of tensor arguments by @tqchen in #409
• doc: abi overview by @junrushao in #402
• [Feat] Support lower PyTorch versions in dtype handling by @nan2088 in #414
• feat: Add repr generation support for @c_class dataclasses by @Dayuxiaoshui in #411
• docs: add PaddlePaddle quickstart and load example by @SigureMo in #415
• feat: add kw_only support for dataclass init generation by @guan404ming in #384
• [DLPack] bump to latest version by @guan404ming in #420
• fix: handle empty metadata in get_global_func_metadata by @guan404ming in #417
• Update the logic of checking #embed by @oraluben in #418
• feat: add Rust binding for Array<T> by @khj809 in #348
• Fix two issues that undefined behavior sanitizer caught by @henrylhtsang in #419
• [Error] Unify EnvErrorAlreadySet to error.kind by @tqchen in #425
• doc: Standalone Stub Generation Doc by @junrushao in #427
• doc: Standalone Exception Handling by @junrushao in #428
• doc: Merge C++ tooling and C++ packaging by @junrushao in #429
• feat: add ffi::Expected for exception-free error handling by @guan404ming in #399
• doc: Update Kernel Library Guide by @junrushao in #431
• chore: Switch from mypy to ty by @junrushao in #432
• Reliability update by @oraluben in #435
• doc: Export Functions and Classes by @junrushao in #436
• doc: More Developer Manuals by @junrushao in #437
• refactor: Get compiled_kernel from Triton Call Directly by @sgjzfzzf in #423
• chore: Run ty in dev environment by @junrushao in #441
• fix(build): Broken Wheel Testing by @junrushao in #444
• fix: handle UTF-8 bytes correctly in JSON parser control character check by @MasterJH5574 in #442
• feat: Introduce List as Mutable Sequence by @junrushao in #443
• fix: Suppress GCC warning for array bounds in String class by @oraluben in #439
• Add Support for NVIDIA Ampere GPUs in _get_cuda_target by @guoyuhong in #440
• feat: add __copy__, __deepcopy__, and __replace__ for FFI objects by @junrushao in #438
• feat: Claude Skill for TVM-FFI Development by @junrushao in #445
• feat: add DefaultFactory support to field reflection by @junrushao in #446
• feat: add ffi.GetInvalidObject global function for MISSING singleton by @junrushao in #447
• [CORE] Enable customized AnyHash/Equal in Object Type attr by @tqchen in #451
• [TEST] Addback missing test for init once by @tqchen in #452
• [EXTRA] Introduce StructuralKey by @tqchen in #453
• doc: Properly document field_static_type_index and add more tests by @junrushao in #456
• [Feature] Support AMD HIP for cpp extension by @DarkSharpness in #460
• feat: add DFS-based ffi.ReprPrint for unified object repr by @junrushao in #454
• [REACTOR] Cleanup and improve map array containers by @tqchen in #462
• [FEAT] Introduce mutable Dict by @tqchen in #463
• [ERROR] Complete support of CHECK macros by @tqchen in #465
• [COMPACT][TEMP] Array compact temp fix by @tqchen in #467
• ROCm: fix DLPack current_work_stream and force addon override for Torch exchange API by @hubertlu-tw in #466
• feat: add CLAUDE.md and dev server launch config by @junrushao in #468
• feat(stub): use distinct container type origins in type schema and stub generation by @junrushao in #469
• [ABI] Add begin_index to TypeAttrColumn by @tqchen in #471

New Contributors

• @Dayuxiaoshui made their first contribution in #411
• @SigureMo made their first contribution in #415
• @henrylhtsang made their first contribution in #419
• @sgjzfzzf made their first contribution in #423
• @guoyuhong made their first contribution in #440
• @hubertlu-tw made their first contribution in #466

Full Changelog: v0.1.8...v0.1.9

v0.1.8-post2

What's Changed

• [FIX] Fix the error propagation in the case of tensor arguments by @tqchen in #409

Full Changelog: v0.1.8-post1...v0.1.8-post2

v0.1.8-post1

What's Changed

• [CUDA] Isolate unified api to only in cubin launcher by @tqchen in #408

Full Changelog: v0.1.8-post0...v0.1.8-post1

v0.1.8-post0

What's Changed

• chore(release): Version bump after release v0.1.8 by @junrushao in #404
• fix: add unified_api.h include to device_guard.h by @cyx-6 in #405
• Revert "feat: Add tvm_ffi.Function.__init__" by @junrushao in #406

Full Changelog: v0.1.8...v0.1.8-post0

v0.1.8

What's Changed

• [Feature] Support dynamic-style overload for FFI object types by @DarkSharpness in #286
• fix(lint): Suppress latest clang-tidy warnings by @junrushao in #361
• [Enhancement] Refactor cubin launcher by @oraluben in #300
• fix(build): Link dl and pthread dependencies for tvm_ffi by @junrushao in #360
• chore(release): Version bump after v0.1.7 release by @junrushao in #367
• doc: Add release_process.rst by @junrushao in #368
• [Feature] support C++ dtype_trait and Python-side mapping to C++ dtype by @DarkSharpness in #374
• fix: add bounds checking for size() and stride() methods by @guan404ming in #375
• feat: add array contains support by @guan404ming in #377
• chore: fix compiler warnings by @guan404ming in #378
• fix: add negative index bounds check in ArrayObj by @guan404ming in #376
• feat: Introduce <tvm/ffi/tvm_ffi.h> by @junrushao in #369
• doc: c++ toolchain by @junrushao in #373
• doc: Tensor and DLPack by @junrushao in #363
• doc: Reorder Sections in Python Packaging by @junrushao in #372
• feat: add bool support for Array and Map by @guan404ming in #380
• Fix TVMFFIEnvSetDLPackManagedTensorAllocator to correctly return the original allocator by @nan2088 in #371
• [ADDONS] Add licence and notice for torch-c-dlpack-ext by @cyx-6 in #385
• feat: add find and substr methods to String by @guan404ming in #383
• chore: replace C-style cast with static_cast in String::substr by @guan404ming in #386
• [feat] Add overflow check for uint64_t/size_t in TypeTraits::CopyToAnyView by @nan2088 in #370
• doc: Any and AnyView by @junrushao in #382
• doc: Tensor Usage by @junrushao in #390
• fix: out-of-bounds read in StringViewToDLDataType_ with non-null-terminated strings by @khj809 in #387
• ci: add clang-tidy to ci_test by @guan404ming in #389
• feat: add starts_with and ends_with to String by @guan404ming in #388
• doc: Object and Class by @junrushao in #392
• docs: document structural_equal and structural_hash for Array and Map by @guan404ming in #379
• fix: TypeStr support for Any type in reflection Init by @guan404ming in #393
• feat: Add tvm_ffi.Function.__init__ by @junrushao in #395
• doc: Function, Exception and Module by @junrushao in #394
• [ADDONS] Update torch-c-dlpack-ext to 0.1.5 by @cyx-6 in #398
• [RFC][Error][ABI] Update Error to enable future compact to cause chaining by @tqchen in #396
• [CMAKE] Allow threads to be not found for cross compilation by @tqchen in #397
• [CMAKE] Allow explicit turning threads off by @tqchen in #400
• [CMAKE] Allow explcitly turning dl off by @tqchen in #401

New Contributors

• @guan404ming made their first contribution in #375
• @nan2088 made their first contribution in #371
• @khj809 made their first contribution in #387

Full Changelog: v0.1.7...v0.1.8-rc0

v0.1.7

What's Changed

• chore(release): Bump version after v0.1.6 release by @junrushao in #346
• Allow tvm_ffi.device(..., id) where id is numpy or torch scalar by @wrongtest-intellif in #347
• feat(stubgen): Package generation with --init-* flags by @junrushao in #295
• feat(cmake): Introduce tvm_ffi_configure_target and tvm_ffi_install by @junrushao in #351
• chore: Run examples on main commits by @junrushao in #353
• doc: Revamp Python Packaging by @junrushao in #349
• doc: Update README.md by @junrushao in #352
• doc: Improve python packaging doc by @junrushao in #355
• build: Rename Import Targets by @junrushao in #354
• doc: Final tweaks on Python Packaging by @junrushao in #358

New Contributors

• @wrongtest-intellif made their first contribution in #347

Full Changelog: v0.1.6...v0.1.7-rc0